riscv/extension.cc

   1 #include "extension.h"
   2 #include "trap.h"
   3
   4 extension_t::~extension_t()
   5 {
   6 }
   7
   8 void extension_t::illegal_instruction()
   9 {
  10   throw trap_illegal_instruction();
  11 }
  12
  13 void extension_t::raise_interrupt()
  14 {
  15   int priv = get_field(p->get_state()->mstatus, MSTATUS_PRV);
  16   int ie = get_field(p->get_state()->mstatus, MSTATUS_IE);
  17
  18   if (priv < PRV_M || (priv == PRV_M && ie)) {
  19     p->raise_interrupt(IRQ_COP);
  20   }
  21
  22   throw std::logic_error("a COP exception was posted, but interrupts are disabled!");
  23 }
  24
  25 void extension_t::clear_interrupt()
  26 {
  27 }